Add rescue block to firmware input parser

.gitignore

@@ -36,6 +36,7 @@ node_modules
 # Various env vars.
 .env
 travis_env
+scripts/mqtt.py
 
 # Fwup keys aren't stored here, but just in case.
 *.priv

lib/farmbot/firmware/uart_handler/framing.ex

@@ -91,7 +91,7 @@ defmodule Farmbot.Firmware.UartHandler.Framing do
     case to_process do
       # Handle separater
       <<^separator::binary-size(sep_length), rest::binary>> ->
-        new_lines = lines ++ [parse_code(processed)]
+        new_lines = lines ++ [do_parse_code(processed)]
         process_data(separator, sep_length, max_length, <<>>, rest, new_lines)
 
       # Handle line too long case
@@ -104,4 +104,10 @@ defmodule Farmbot.Firmware.UartHandler.Framing do
         process_data(separator, sep_length, max_length, processed <> next_char, rest, lines)
     end
   end
+
+  defp do_parse_code(processed) do
+    parse_code(processed)
+  rescue
+    _ -> {nil, :noop}
+  end
 end